Improvement in haevestees



W. ROSE. HARVESTER.'

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Letters Patent No. 74,600, dated February 18, 1868.

IMPROVEMENT IN, HARVESTERS.

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TO ALL WHOM IT MAY CONCERN: y I 4 Be it known that I, WILLIAM Ross, of Lake,"in ,the county of Cook, and State'oi` Illinois, have invented .a

new and useful Improvement in Harvesters; and Ido hereby declare and make known that the following is a l full, clear, and' e'iract description ofthe same, reference being had to the accompanying drawings, and the figures 'and letters of reference thereon, which fo'rm part of this specification'. v V

My said invention consists in a novel arrangement of mechanism for imparting the requisite reciprocating movementsto the' sickle of a. harvesting or mowing-machine, an'tl also for throwing said mechanism into or out ofgeaxgas desired; and to enable those skilled in the art tomake and use my invention, I will proceed to describe the same withparticularity;making reference in' sodoing .to the aforesaid drawings, in which- Figure 1 represents a plan yor top view of my invention, an'd Figure 2 a. side view thereo'f, partlyin section.

Similar letters ,ofreference in -the different figures denote the same parts of my invention.

A represents a. suitable rectangular frame, which may be constructedl in any desirable manner, having. bearings upon `each slide for the axle C, upon whichare arranged the wheels B B, which may-revolve upon the axle, which, in turn, muy also turn within its bearings, as hereinafter described. Upon said'axle, closeto each wheel, is fixed a ratchet-wheel, D,whle there is pivoted upon each wheel a pawl, E, held Aupon said ratchet i hy springs S, so that, when the machine is moved forward, the axle turn-s with the wheels,butwhen the machine is backing or turning around, the whcels'may'revolve lwithout turning said axle.' Upon the axle C is'ixed a large drive-wheel, F, whose periphery is provided with a series f teeth or projections marked b b, us is also the peripherypf the wheel G, upon Vthe shaft H, as shown. Around sa-id wheels F G passes a chain, U, whose links engage with the projectionsb aforesaid, sothat the revolution of the wheel F revolves the wheel G, and its shaft H,and consequently the cam-wheelv J upon said shaft H, as shown. The circumference of the said wheel or drum J is provided with a sinuous groove or chamber, K, passing entirely around the same, in which a pin, o, upon a vertical arm, P, entersor is thrown out from, as hereinafter described. The said arm P is pvoted to the frame of the machine in such Aa manner asto allow ythe lower end thereof, to which thepin e is attached, to have a lateral movement from 'side to side when the said pin e lies in the channel K andthe machine is in operation.

To the said lower end of the arm P isattached the lrod Q, connected with the sickle, so'that the revolution I of thewheel J'., as. aforesaid, by itsaction upon the pin c, by means of the sinrous or cam-groove K', gives lthe desired reciprocating motion to the sickle. The said erm P passes through a slot in a block, L, to kwhich it is pivoted as aforesaid, said block being secured .to the frame A hy a hinge, a, 0.x' its equivalent, as sc enin iig. 2.

lUponone end of said block L is fixed a vertical a1-rm, M,which bears against an arc, N, provided with a. lipn,.

fra-me A, and the pin c enters into the groove K on the wheel J; but when the arm is drawn back of said projeetion, the block 4L yields upon its hingeV and moves away fronfthe wheelJ, throwing the pin c out of the groove K, and throwing the machine out of gear,4 as desired. Instead of the wheels F and G, and the chain U for imparting arotary motion to the can1\\ heel J, cog-gearing may be employed forthat purpose, although I prefer the devices herein shown and described. f 'A It s obvioils that the herein-described means of operating the sickle and throwing thedriving-apparatus ont of gear may he used with equal advantage whether the sickle be arranged at the front of the machine, as shown, or at the rear thereof behind the wheels. I

Having descrihcdthe construction andoperation of my invention, I will specify what I claim, and desire so that, when the arm M is arranged before the projection n, thel block L isdloeked firmly and rigidly to the to secure by Letters Patent. v i I claim the combination of the cam-wheel J K, arm P, rod Q, block L, arm M, and arc N, all constructed,

arranged, and operating in the manner set forth, and for the purposes specified.

` WILLIAM ROSE.

Witnesses:

W. E. Mums, L. L. Colman. 

